//逢7过

#include <stdio.h>
int main(){
	int num = 0;
	while( num < 100){
		num++;
		if(num % 7 == 0 )
		{
			continue;
		}
		else
		{
			if(num%10 == 7 || num/10%10 == 7)
			{
				continue;
			}
			else
			{
				printf("num:%d\n",num);
			}
		}
	}
	return 0;
}
